Re: [OMPI users] kernel trap - divide by zero

2020-04-29 Thread Brice Goglin via users
Hello Both 1.10.1 and 1.11.10 are vry old. Any chance you try at least 1.11.13 or even 2.x on these machines? I can't remember all what we changed in this code 5 years later unfortunately. We are not aware of any issue of Intel haswell but it's not impossible something is buggy in the hardwar

[OMPI users] kernel trap - divide by zero

2020-04-29 Thread Rob Scott (roscott2) via users
We are seeing a kernel trap in Hwloc being reported from a few customers. In one particular case, here are details. hwloc-1.10.1 Intel(R) Xeon(R) CPU E5-2673 v3 @ 2.40GHz The offending code is is in look_proc() due to cupid function 0x1 returning 4 logical processors or possibly hwloc_flsl() ma